Troubleshooting
Electronic ignition system
Note: Before troubleshooting the system, make sure the gas shutoff valve is ON. The two most common causes of a malfunctioning gas appliance are:
1.Loose wiring connections
2.Construction debris clogging the pilot and/or gas control valve filter
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
Ignitor will not spark or burner | 1. No gas supply or shutoff | 1. | Check to see if you have gas | |
will not light | 2. | valve is OFF | 2. | supply |
| Air in gas line | Repeat lighting procedure | ||
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| until air is removed. If after |
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| repeated attempts fireplace |
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| does not light, call a qualified |
| 3. | Construction debris clog- | 3. | service and repair technician |
| Remove debris and dirt, in- | |||
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| ging pilot orifice |
| spect and clean any other |
| 4. | Low gas pressure | 4. | possible obstructions |
| Contact your local NG or LP | |||
| 5. | Control valve knob is not | 5. | gas supplier |
| Replace control valve | |||
| 6. | opening | 6. | Have a qualified technician |
| Kinked pilot line | |||
| 7. | No power to unit or ignition | 7. | replace pilot line |
| Check that main power is on | |||
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| module/power transformer is |
| and that all wire connections |
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| bad |
| are made correctly to ignition |
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| module (see Wiring Diagram, |
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| page 15) |
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Burner will not stay lit | 1. Loose wiring on ignition | 1. | Check ignition wire connec- | |
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| module |
| tion (see Wiring Diagrams, |
| 2. | Poor ground to ignition | 2. | page 15) |
| Check ground wire to ignition | |||
| 3. | module | 3. | module |
| Main burner flame too low | Clean and adjust main burner, | ||
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| check supply and inlet pres- |
| 4. | Bad ignition assembly | 4. | sure to unit. |
| Have a qualified technician | |||
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| replace ignition assembly |
No gas to main burner, although | 1. Wall switch wires defective | 1. | Check electrical connections | |
wall switch and valve are set to |
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the ON position |
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Frequent main burner outage | 1. Burner flame is too low or |
| ignitor is misaligned casing |
| safety main burner to ”drop |
| out” |
1.Clean and adjust main burner flame or adjust ignitor location for maximum flame impinge- ment on sensor
www.desatech.com | 17 |
